Which do you prefer to use to keep in touch with your friends，QQ__________MSN?
#56400
A
and
B
but
C
or
D
so
推荐题目
In American, a friend inviting you to a restaurant doesn't mean that he or she will pay for the meal ______ you are told ahead.
#55342
A
until
B
unless
C
although
D
if
—__________ do you cook for your family?—Sorry, never.
#56172
A
How much
B
How many
C
How often
D
How old